Respiratory Volumes and Capacities (142L #2)

Amount of air inhaled or exhaled with each breath under resting conditions

Tidal volume (TV)

Amount of air that can be forcefully inhaled after a normal tidal volume inspiration

Inspiratory reserve volume (IRV)

Amount of air that can be forcefully exhaled after a normal tidal volume expiration

Expiratory reserve volume (ERV)

Amount of air remaining in the lungs after a forced expiration

Residual volume (RV)

Maximum amount of air contained in lungs after a maximum inspiratory effort

Total lung capacity (TLC)

Maximum amount of air that can be expired after a maximum inspiratory effort

Vital capacity (VC)

Maximum amount of air that can be inspired after a normal tidal volume expiration

Inspiratory capacity (IC)

Volume of air remaining in the lungs after a normal tidal volume expiration

Functional residual capacity (FRC)

1

Inspiratory reserve volume (IRV)

2

Tidal volume (TV)

3

Expiratory reserve volume (ERV)

4

Residual volume (RV)

5

Inspiratory capacity (IC)

6

Functional residual capacity (FRC)

7

Vital capacity (VC)

8

Total lung capacity (TLC)